Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van tuan dan slippers" » "van quan dan slippers", "van ban dan slippers", "anh tuan dan slippers", "van tuan dang slippers", "van xuan dan slippers", "van tran dang slippers", "van tuan dan slippery", "van tuan dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van tuan dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van tuan dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van tuan dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tuan dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.